Cladodes anatomy of <i>Opuntia</i> (Cactaceae) from the province of Buenos Aires (Argentina)

The aim of this study was to deepen the knowledge of the cladodes anatomy of nine species of Opuntia that grow in the province of Buenos Aires, Argentina. Fresh and herbarium samples were prepared according to usual methods for light microscope. Histochemical techniques were performed to identify st...

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Detalles Bibliográficos
Autores principales: Perrotta, Vanesa Georgina, Arambarri, Ana María
Formato: Articulo
Lenguaje:Español
Publicado: 2018
Materias:
Ciencias Naturales
Buenos Aires province
Opuntia
segment of stems
tissues
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/132662
https://revistas.unc.edu.ar/index.php/BSAB/article/view/21310
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-132662
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Ciencias Naturales
Buenos Aires province
Opuntia
segment of stems
tissues
spellingShingle Ciencias Naturales
Buenos Aires province
Opuntia
segment of stems
tissues
Perrotta, Vanesa Georgina
Arambarri, Ana María
Cladodes anatomy of <i>Opuntia</i> (Cactaceae) from the province of Buenos Aires (Argentina)
topic_facet Ciencias Naturales
Buenos Aires province
Opuntia
segment of stems
tissues
description The aim of this study was to deepen the knowledge of the cladodes anatomy of nine species of Opuntia that grow in the province of Buenos Aires, Argentina. Fresh and herbarium samples were prepared according to usual methods for light microscope. Histochemical techniques were performed to identify starch, mucilage and oxalate salts. The main traits found were: epidermis smooth and uniseriate, covered by a thin cuticle and epicuticular waxes; large (range 36-57 μm length) stomata in low density (range 21-27/ mm2), located at level respect to the rest of epidermal cells with a deep substomatal chamber; a multiseriate hypodermis with one crystal layer; the cortex with external chlorenchyma and internal hydrenchyma. The eustele presents different size of vascular bundles; in some species the large ones have a secretory duct adjacent to the phloem. Some species showed wide-band tracheids and a few presented fibres in their vascular bundles. Some characters (presence of fibres and ducts) may be a useful tool for plant identification. However, many open questions remain to be investigated such as the correlation of the environment factors with hypodermis, calcium oxalate crystals, and wide-band tracheids.
format Articulo
Articulo
author Perrotta, Vanesa Georgina
Arambarri, Ana María
author_facet Perrotta, Vanesa Georgina
Arambarri, Ana María
author_sort Perrotta, Vanesa Georgina
title Cladodes anatomy of <i>Opuntia</i> (Cactaceae) from the province of Buenos Aires (Argentina)
title_short Cladodes anatomy of <i>Opuntia</i> (Cactaceae) from the province of Buenos Aires (Argentina)
title_full Cladodes anatomy of <i>Opuntia</i> (Cactaceae) from the province of Buenos Aires (Argentina)
title_fullStr Cladodes anatomy of <i>Opuntia</i> (Cactaceae) from the province of Buenos Aires (Argentina)
title_full_unstemmed Cladodes anatomy of <i>Opuntia</i> (Cactaceae) from the province of Buenos Aires (Argentina)
title_sort cladodes anatomy of <i>opuntia</i> (cactaceae) from the province of buenos aires (argentina)
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/132662
https://revistas.unc.edu.ar/index.php/BSAB/article/view/21310
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bdutipo_str Repositorios
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